Brush



FIG. 1 is a perspective view of the front, bottom, and right side of a brush showing the new design;

FIG. 2 is a back elevational view of the brush of FIG. 1;

FIG. 3 is a left elevation view of the brush of FIG. 1;

FIG. 4 is a top plan view of the brush of FIG. 1; and,

FIG. 5 is a bottom plan view of the brush of FIG. 1. 

The ornamental design for a brush, as shown. 